Patent SG-11201903526P-A (SG)
Title: A domain name scheme for cross-chain interactions in blockchain systems
Inventor: QIU HONGLIN
Filed: 2018-11-16
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) --,, (19) World Intellectual Property MTh 0 111111 11 111 11111 0 11 110 1 0 111 11111 11 11 0 11 11 111 11 111 0 11 11110 111 0 11 1111 Organization International Bureau (10) International Publication Number (43) International Publication Date ....0\"-\") WO 2019/072271 A2 18 April 2019 (18.04.2019) WIP0 I PCT (51) (21) (22) (25) Filing Language: (26) (71) (72) (74) (81) International Patent Classification: HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, Not classified KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, International Application Number: OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, PCT/CN2018/115918 SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, International Filing Date: TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. 16 November 2018 (16.11.2018) (84) Designated States (unless otherwise indicated, for every English kind of regional protection available): ARIPO (BW, GH, Publication Language: English GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, Applicant: ALIBABA GROUP HOLDING LIMITED TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, [—/CN]; Fourth Floor, One Capital Place, P.O. Box 847, EE, ES, FI, FR, GB, GR, HR, HU, 1E, IS, IT, LT, LU, LV, George Town, Grand Cayman (KY). MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, Inventor: QIU, Honglin; Alibaba Group Legal Department KM ML, MR, NE, SN, TD, TG). 5/F, Building 3, No.969 West Wen Yi Road, Yuhang Dis- trict, Hangzhou, Zhejiang 311121 (CN). Published: Agent: BEIJING BESTIPR INTELLECTUAL PROP- — upon request of the applicant, before the expiration of the ERTY LAW CORPORATION; Room 409, Tower B, Ka time limit referred to in Article 21(2)(a) Wah Building, No. 9 Shangdi 3rd Street, Haidian District, — without international search report and to be republished Beijing 100085 (CN). upon receipt of that report (Rule 48.2(g)) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, = _ = _ — = = = (54) Title: A 5 \" --- N blockchaindlnilailillamo DOMAIN NAME SCHEME FOR CROSS -CHAIN INTERACTIONS IN BLOCKCHAIN SYSTEMS (57) : Implementations of the present disclosure include obtain- ing, by a client node of a first blockchain instance, a blockchain domain name of a second, different blockchain instance, wherein the blockchain domain name is a unique identifier of the second blockchain instance in a unified blockchain network including multiple blockchain instances that are communicatively linked by two or more relays, the blockchain domain name includes a human-readable label, and the blockchain domain name = = Obtain, by a ell= node of a first blockehain instance, a blookehain domain name of a second, different blookehain instance ; the hlnckchainrinrmin nameisami toner of th,.,—....] bk,,kuh,,iu unto. :;:in a unified blot:L.1min network, the liC domain name inchnlea a Inonan-readable lobed and uniqucly warospwabs to a chain ithattifim of the second blot:Ice:halo instance = — = — uniquely corresponds to a chain identifier of the second blockchain in- stance; identifying the chain identifier of the second blockchain instance based on the blockchain domain name of the second blockchain instance, wherein the chain identifier of the second blockchain instance indicates a blockchain network configuration of the second blockchain instance; and accessing, by the client node, the second blockchain instance based on the blockchain network configuration indicated by the chain identifier of the second blockchain instance. = = = Identify the chain identifier of the aecond blookchain Maumee based on the blockchain domain name of the second blockehain instance = = I Access the second Mod-Thai instance ba.sed on the blockcham network contifituaton indicated by the Chain identifier of the second blockcham instance I — el 11 Ir ..' N IN C:::::) se.... , 1: P S I 0 NI Perform cross-chain transactions between the first blockchain instance and the second blockehain instance based on the of the second bliceitchain instants: FIG. 5 C